期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1970
卷号：67
期号：1
页码：434-441
DOI：10.1073/pnas.67.1.434
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：A new endonuclease activity from Escherichia coli which cleaves circular, single-stranded DNA in the presence of added nucleoside triphosphate has been purified. The activity has not been detected in extracts from certain rec- strains and is therefore implicated in genetic recombination.
